Gary Dineen
n.d.
Reference sheet showing how different colour swatches of fabric are shown in Wet Plate and Modern black and white colour

Reference sheet
Internet - Original source ill-defined
Source requested.
 
I'm indebted to Gary Dineen for bring this to my attention (25 May 2020). The source was a PDF file of "The Mystery of Wet Plate Photographs and Color - Ragged Soldier Sutlery" by Virginia Melcher - raggedsoldier@gmail.com
 
LL/100589